BOSTON (AP) — A Russian-born scientist and Harvard University researcher charged with smuggling frog embryos into the United States faces a detention hearing in Massachusetts on Thursday.

Kseniia Petrova, 30, spent four months in federal custody after returning from a vacation with frog embryo samples.

A judge released a Russian-born scientist and Harvard University researcher charged with smuggling frog embryos into the United States on bail Thursday after a brief hearing.Kseniia Petrova ...

Russian-born Harvard scientist Kseniia Petrova, facing criminal charges for allegedly smuggling frog embryos, was granted bail after being detained by U.S. immigration. Her detention highlights the ...

Han is the third Chinese scientist to be accused of smuggling biological materials into Michigan in recent weeks.